6945489 has 24 divisors (see below), whose sum is σ = 10419552. Its totient is φ = 4455360.

The previous prime is 6945481. The next prime is 6945509. The reversal of 6945489 is 9845496.

It is a happy number.

It is not a de Polignac number, because 6945489 - 2³ = 6945481 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6945481) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 50629 + ... + 50765.

It is an arithmetic number, because the mean of its divisors is an integer number (434148).

Almost surely, 2^6945489 is an apocalyptic number.

It is an amenable number.

6945489 is a deficient number, since it is larger than the sum of its proper divisors (3474063).

6945489 is a wasteful number, since it uses less digits than its factorization.

6945489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 317 (or 314 counting only the distinct ones).

The product of its digits is 311040, while the sum is 45.

The square root of 6945489 is about 2635.4295665033. The cubic root of 6945489 is about 190.7952723536.

The spelling of 6945489 in words is "six million, nine hundred forty-five thousand, four hundred eighty-nine".